#include <stdio.h>
#define TAB '\t'
#define BACK '\b'
#define SLASH '\\'
int main()
{
    double input = 0.0;
    while ((input = getchar()) != EOF)
    {
        if(input == TAB){
            putchar('\\');
            putchar('t');
        }
        if(input == BACK){
            putchar('\\');
            putchar('b');
        }
        if(input == SLASH){
            putchar('\\');
        }
        putchar(input);
    }
    return 0;
}
